Approval Services & Compliance
BASIX Certificates
All new residential developments in NSW, including new homes, dual occupancies, townhouses, granny flats and some renovations, require a BASIX certificate.
What is BASIX?
BASIX is a mandatory environmental assessment tool used in NSW to ensure residential developments achieve minimum energy and water efficiency standards.
Assessment process
Energy assessment
- Insulation levels
- Glazing performance
- Roof colours
- Orientation
- Shading
- Hot water systems
- Heating and cooling systems
- Lighting efficiency
Thermal comfort modelling
We ensure the home meets mandatory NatHERS thermal comfort standards.
Water efficiency
- Tap flow ratings
- Shower heads
- Toilets
- Rainwater tank capacity
- Garden irrigation
Who needs BASIX?
- New homes
- Dual occupancies
- Townhouses
- Residential renovations over $50k
- Granny flats
- Major alterations and additions
Ready to start your project?
Book a free consultation and we'll walk you through the right pathway, timeframe and price.